<template>
    <view class="u-th" :style="[thStyle]">
        <slot></slot>
    </view>
</template>

<script>
    /**
     * th th单元格
     * @description 表格组件一般用于展示大量结构化数据的场景（搭配u-table使用）
     * @tutorial https://www.uviewui.com/components/table.html#td-props
     * @property {String Number} width 标题单元格宽度百分比或者具体带单位的值，如30%，200rpx等，一般使用百分比，单元格宽度默认为均分tr的长度
     * @example 暂无示例
     */
    export default {
        name: "u-th",
        props: {
            // 宽度，百分比或者具体带单位的值，如30%， 200rpx等，一般使用百分比
            width: {
                type: [Number, String],
                default: ''
            }
        },
        data() {
            return {
                thStyle: {}
            }
        },
        created() {
            this.parent = false;
        },
        mounted() {
            this.parent = this.$u.$parent.call(this, 'u-table');
            if (this.parent) {
                // 将父组件的相关参数，合并到本组件
                let style = {};
                if (this.width) style.flex = `0 0 ${this.width}`;
                style.textAlign = this.parent.align;
                style.padding = this.parent.padding;
                style.borderBottom = `solid 1px ${this.parent.borderColor}`;
                style.borderRight = `solid 1px ${this.parent.borderColor}`;
                Object.assign(style, this.parent.style);
                this.thStyle = style;
            }
        }
    };
</script>

<style lang="scss" scoped>
    @import "../../libs/css/style.components.scss";

    .u-th {
        @include vue-flex;
        flex-direction: column;
        flex: 1;
        justify-content: center;
        font-size: 28rpx;
        color: $u-main-color;
        font-weight: bold;
        background-color: rgb(245, 246, 248);
    }
</style>
